Xls.Downloader.Agent08210-9888570-0 — Office (OOXML) malware analysis

Static analysis result for SHA-256 4c91912ea5d7acd9…

MALICIOUS

Office (OOXML)

246.4 KB Created: 2011-05-17 14:38:26 UTC Authoring application: Microsoft Excel 16.0300
MD5: f7ffa6f5505e3435dd73f92c72990a59 SHA-1: e3bbeb435e502a0ea176f41f79e796600b48ee07 SHA-256: 4c91912ea5d7acd9820f8ab32824dc25b34174fd1f20cd77ab28b474aa6bcbc8
70 Risk Score

Malware Insights

Xls.Downloader.Agent08210-9888570-0 · confidence 90%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Xls.Downloader.Agent08210-9888570-0, indicating it functions as a downloader. It contains an external hyperlink to a suspicious URL, which is a common method for delivering secondary payloads. The document body is unreadable, but the presence of the downloader signature and external link strongly suggests a malicious intent to download and execute further malware.

Heuristics 3

  • ClamAV: Xls.Downloader.Agent08210-9888570-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Agent08210-9888570-0
  • External hyperlinks (1) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 1 external hyperlink — clickable URLs are stored as external relationships. First target: https://www.formtools.com/f/micr0soft0ffice365mail-1557
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://www.formtools.com/f/micr0soft0ffice365mail-1557

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